W8X58 Dimensions & Weight
W8X58 is an AISC wide-flange (W) shape with an actual depth of 8.75 in and a 8.22 in wide flange, weighing 58 lb per foot — a common size for light floor framing, mezzanines, and residential beams.
W8X58 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 8.75 in | 222.3 mm |
| Flange width (bf) | 8.22 in | 208.8 mm |
| Cross-section area (A) | 17.1 in² | 110.3 cm² |
| Weight | 58 lb/ft | 86.3 kg/m |
What does W8X58 cost?
At an example material price of $0.92/lb, W8X58 runs about $53.36 per foot, or roughly $1,067 for a 20-ft length.
Example pricing only. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
Counting W8X58s off a drawing set by hand? SteelFlo finds every steel label on your PDF automatically — 3 takeoffs free.
Related sizes
Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight